Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.40.12.0/22

Network address 81.40.12.0
Prefix length 22 (255.255.252.0)
Range 81.40.12.0 - 81.40.15.255
Hexadecimal 51280c00
Binary 01010001 00101000 00001100 00000000
Binary subnet mask 11111111 11111111 11111100 00000000
Number of hosts 1,024
Parent subnet 81.40.8.0/21🔍
Previous subnet 81.40.8.0/22🔍
Next subnet 81.40.16.0/22🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.32.0.0/12🔍 AS3352 Telefonica de EspaNa (ES)🔍
Netblock 81.32.0.0/12🔍 ES-TELEFONICA-20020215 (ES)
Netblock 81.40.0.0/16🔍 RIMA (ES)